This might help. To duplicate an action, we select the appropriate keyframes by clicking and dragging, or by clicking then shift-clicking, as if we were selecting cells on a spreadsheet. Now, choose Copy from the Edit menu to copy the frame values.

 Thats from http://poser.smithmicro.com/tutorials/animation_basics.html. You might try searching around that site they may have more.

  Sorry if it doesn't help, or if you already know this info.